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ERS 20

retired

Technology DemonstrationHEOCOSPAR 1967-040DLaunched 4/28/1967

Mission & Launch

Launch Mission: Vela 4A/4B
Launch Vehicle: Titan IIIC
Launch Date: 4/28/1967
Last Contact: 1/1/1982

Orbit & Mass

Orbit Class: HEO
Altitude: 59,913.5 km
Inclination: 33.28 deg
Dry Mass: 9 kg
Total Mass: 9 kg

Payload Classification

Mission Type: Technology Demonstration
Payload Category: TECH
Payload Class: D

Organizations

Operator: U.S. Space Systems Command
Manufacturer: Northrop Grumman

Registry

COSPAR ID: 1967-040D
UN Registration: A/AC.105/INF.170